Preview: RTC module DS3231 with I2C interface

RTC module DS3231 with I2C interface

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€3.05 * €5.10 * (40.2% saved)

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Item no: F23106657
Weight: 0,01 kg
Packing dimensions: 3.7 cm x 2.1 cm x 0.9 cm (L x W x H)

€3.05 * RTC module DS3231 with I2C interface

Overview: HW-084A DS3231 I2C Real Time Clock (RTC) IIC module High-precision clock module, memory module Size: L43mm x W22mm x H12mm Weight: 5.1 g Operating voltage: 3.3-5.5V High-precision clock chip: DS3231 Clock accuracy 0-40 ° C, accuracy 2ppm, annual error of approx. 1 minute Memory chip AT24C32 (memory capacity 32K) With 2 calendar alarm clocks Programmable square wave output The real-time clock generates seconds, minutes, hours, weeks, dates, months and... more

Overview:

HW-084A DS3231 I2C Real Time Clock (RTC) IIC module
High-precision clock module, memory module
Size: L43mm x W22mm x H12mm
Weight: 5.1 g
Operating voltage: 3.3-5.5V
High-precision clock chip: DS3231
Clock accuracy 0-40 ° C, accuracy 2ppm, annual error of approx. 1 minute
Memory chip AT24C32 (memory capacity 32K)

With 2 calendar alarm clocks
Programmable square wave output
The real-time clock generates seconds, minutes, hours, weeks, dates, months and years and offers a leap year observation valid until 2100
The chip has its own temperature sensor with an accuracy of ± 3 ° C.
IIC bus interface, transmission speed 400 kHz (at 5V supply voltage)
Can cascade other IIC devices, the address can be changed by shorting the solder bridges A0 / A1 / A2
The standard address for I2C is 0x57 (Eeprom) and 0x68 (RTC)

Note: No batteries are included in the scope of delivery.

Pinout:

SCL → A5
SDA → A4
VCC → 5V
GND → GND

Helpful links:

Instructions (draeger-it.blog)

Scope of delivery:

1x RTC module DS3231 with I2C interface
Note: No batteries are included in the scope of delivery.

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Overview:

HW-084A DS3231 I2C Real Time Clock (RTC) IIC module
High-precision clock module, memory module
Size: L43mm x W22mm x H12mm
Weight: 5.1 g
Operating voltage: 3.3-5.5V
High-precision clock chip: DS3231
Clock accuracy 0-40 ° C, accuracy 2ppm, annual error of approx. 1 minute
Memory chip AT24C32 (memory capacity 32K)

With 2 calendar alarm clocks
Programmable square wave output
The real-time clock generates seconds, minutes, hours, weeks, dates, months and years and offers a leap year observation valid until 2100
The chip has its own temperature sensor with an accuracy of ± 3 ° C.
IIC bus interface, transmission speed 400 kHz (at 5V supply voltage)
Can cascade other IIC devices, the address can be changed by shorting the solder bridges A0 / A1 / A2
The standard address for I2C is 0x57 (Eeprom) and 0x68 (RTC)

Note: No batteries are included in the scope of delivery.

Pinout:

SCL → A5
SDA → A4
VCC → 5V
GND → GND

Helpful links:

Instructions (draeger-it.blog)

Scope of delivery:

1x RTC module DS3231 with I2C interface
Note: No batteries are included in the scope of delivery.

Further links to "RTC module DS3231 with I2C interface"

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Customer reviews for "RTC module DS3231 with I2C interface"

By: Harald Am: 14 Aug 2022

RTC-Modul DS3231

Alles so wie es sein soll.

By: Klaus T. Am: 13 May 2022

Gutes Modul mit kleinen Abstrichen

Zunächst einmal ist das Modul eine Quelle um günstig an einen DS3231 heranzukommen. Bei den üblichen Distributoren wird meist das doppelte alleine für den nackten DS3231 aufgerufen.
Für Low Power Anwendungen muss das Board allerdings modifiziert werden.
Die LED ist meiner Meinung total sinnlos und ein EEPROM hat heute jeder Mikrocontroller integriert. Aber es ist halt gratis dabei und wer es nicht braucht, kann es von der Platine löten.
Ob der ausgesprochen preiswerte DS3231 die gleiche Genauigkeit liefert wie die teuren von einem namenhaften Distributer muss er erst beweisen.
+-2ppm sind eine echte Ansage. Mal sehen, wie die Abweichung nach einigen Monaten aussieht!